perplexing

a. 复杂的,令人困惑的

perniciously, perniciousness, pernickety, peroration, peroxide, perpendicular, perpendicularity, perpendicularly, perpetrate, perpetration, perpetrator, perpetual, perpetual motion, perpetually, perpetuate, perpetuation, perpetuity, perplex, perplexed, perplexedly, perplexity, perquisite, perry, pers, persecute, persecution, persecutor, perseptive, perseverance, persevere, persevering, perseveringly, Persia, Persian, Persian carpet (also Persian rug), Persian cat (also Persian), Persian lamb, persiflage, persimmon, persist,